Electronic Device and Coordinate Detecting Method

1. An electronic device comprising: a housing; a display that is disposed inside the housing and that displays predetermined information; an electrostatic-capacitance touch panel that allows visible light, corresponding to display contents of the display, to pass through the electrostatic-capacitance touch panel; a transparent member that protects the electrostatic-capacitance touch panel and that allows the visible light corresponding to the display contents of the display to pass through the transparent member; and a depression detector that detects deformation of the transparent member, wherein when a plurality of two-dimensional coordinates are determined in order by the electrostatic-capacitance touch panel and, when a predetermined amount of deformation is detected by the depression detector, after determining the two-dimensional coordinates, then at least one of two-dimensional coordinates, detected during a predetermined time period prior to a time when the deformation is detected, is validated; and a two-dimensional coordinate, detected before the predetermined time period prior to the time when the deformation is detected, is not validated, wherein the predetermined time period does not include a deformation of an amount equal to or greater than the predetermined amount of deformation.

2. The electronic device according to claim 1 , wherein the validation of the two-dimensional coordinate is maintained until an indicator, which indicates the validated two-dimensional coordinate, moves away from the electrostatic-capacitance touch panel by a predetermined distance.

3. The electronic device according to claim 1 , wherein, when a vertical distance between the indicator and the electrostatic-capacitance touch panel is equal to or less than a predetermined value, the two-dimensional coordinate indicated by the indicator is determined.

4. The electronic device according to claim 3 , wherein the predetermined value is zero.

5. The electronic device according to claim 1 , wherein the depression detector is disposed between the display and part of the housing.

6. The electronic device according to claim 1 , wherein the transparent member and the electrostatic-capacitance touch panel are integrated into one piece.

7. The electronic device according to claim 1 , wherein at least part of the depression detector overlaps with the display.

8. The electronic device according to claim 1 , wherein the depression detector and the electrostatic-capacitance touch panel are integrated into one piece.

9. The electronic device according to claim 1 , wherein: the validation of the two-dimensional coordinate is maintained until an indicator indicates that the validated two-dimensional coordinate moves away from the electrostatic-capacitive touch panel by a predetermined distance, and a two-dimensional coordinate determined after the validation is not validated.

10. The electronic device according to claim 3 , wherein the predetermined value is greater than zero.

11. A coordinate detecting method to be used for an electronic device that includes a housing, a display provided within the housing and that displays predetermined information, and electrostatic-capacitance touch panel that allows visible light, corresponding to display contents of the display, to pass through the electronic-capacitance touch panel, and a transparent member that protects the electrostatic-capacitance touch panel and that allows the visible light corresponding to the display contents of the display to pass through the transparent member, the method comprising: detecting, by a depression detector, deformation of the transparent member; when the electrostatic-capacitance touch panel determines a plurality of two-dimensional coordinates in order, and when a predetermined amount of deformation is detected by the depression detector after the two dimensional coordinates are determined; validating at least one of two-dimensional coordinates, detected during a predetermined time period prior to a time when the deformation is detected; and not validating a two dimensional coordinate, detected before the predetermined time period prior to the time when the deformation is detected, wherein the predetermined time period does not include a deformation of an amount equal to or greater than the predetermined amount of deformation.

12. The coordinate detecting method according to claim 11 , further comprising maintaining the validation of the two dimensional coordinate until an indicator, which indicates the validated two-dimensional coordinate, moves away from the electrostatic-capacitance touch panel by a predetermined distance.

13. The coordinate detecting method according to claim 11 , further comprising determining the two-dimensional coordinate indicated by the indicator when a vertical distance between the indicator and the electrostatic-capacitance touch panel is equal to or less than a predetermined value.

14. The coordinate detecting method according to claim 13 , wherein the predetermined value is zero.

15. The coordinate detecting method according to claim 11 , wherein the depression detector is positioned between the display and part of the housing.

16. The coordinate detecting method according to claim 11 , wherein the transparent member and the electrostatic-capacitance touch panel are integrated into one piece.

17. The coordinate detecting method according to claim 11 , wherein at least part of the depression detector overlaps with the display.

18. The coordinate detecting method according to claim 11 , wherein the depression detector and the electrostatic-capacitance touch panel are integrated into one piece.

19. The coordinate detecting method according to claim 11 , further comprising: maintaining the validation of the two dimensional coordinate until an indicator indicates that the validated two-dimensional coordinate moves away from the electrostatic-capacitive touch panel by a predetermined distance; and not validating a two dimensional coordinate determined after the validation.

20. The coordinate detecting method according to claim 13 , wherein the predetermined value is greater than zero.